1320100268 has 24 divisors (see below), whose sum is σ = 2351828640. Its totient is φ = 648184320.

The previous prime is 1320100267. The next prime is 1320100273. The reversal of 1320100268 is 8620010231.

It is not an unprimeable number, because it can be changed into a prime (1320100267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160193 + ... + 168231.

It is an arithmetic number, because the mean of its divisors is an integer number (97992860).

Almost surely, 2^1320100268 is an apocalyptic number.

It is an amenable number.

1320100268 is a deficient number, since it is larger than the sum of its proper divisors (1031728372).

1320100268 is a wasteful number, since it uses less digits than its factorization.

1320100268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777 (or 8775 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1320100268 is about 36333.1841159015. The cubic root of 1320100268 is about 1096.9890850653.

Adding to 1320100268 its reverse (8620010231), we get a palindrome (9940110499).

The spelling of 1320100268 in words is "one billion, three hundred twenty million, one hundred thousand, two hundred sixty-eight".